So far (although I have completed White not yet Black) all I know are Pansage (Leaf Stone), Pansear (Fire Stone) and Panpour (Water Stone). Sorry if this isn't as helpful as you hoped!
Pansage will evolve by using a Leaf Stone into Simisage.
Petilil will evolve with a sun stone, pansage with a leaf stone, panpour with a water stone, and pansear will evolve with a fire stone.
pansear
eevee,
Evolve it using an Thunder Stone.
nidorino nidorina jigglypuff clefairy evolve.
Vaperon i think.
Munna into Musharnna
Lilligant
Moon Stone.
It needs a Moon Stone to evolve.
Happiny